Buckle



FIG. 1 is a front, top and right side perspective view of a buckles, showing the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a cross-sectional view taken along line 8-8 shown in FIG. 2;

FIG. 9 is a back, top and left side perspective view thereof;

FIG. 10 is a back, bottom and right side perspective view thereof; and,

FIG. 11 is a reference view showing the buckle in use.

The long dash short dash broken lines and arrows shown in FIG. 2 are used to identify the cross-sectional view and form no part of the claimed design. The broken lines shown in FIG. 11 depict environment and form no part of the claimed design. 

CLAIM The ornamental design for a buckle, as shown and described. 